The R7FA6M3AH3CFB from Renesas is a Space Qualified Microcontroller with Clock Rate 15 kHz to 24 MHz, Operating Frequency 120 MHz, Internal RAM Memory SRAM : 32 to 640 kB, Flash Memory Code : 2 MB, Data : 64 kB, Supply Voltage 2.7 to 3.6 V. Tags: Surface Mount. More details for R7FA6M3AH3CFB can be seen below.